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Finding the Fourth Proportional to 39,983,948.60, 59,978,166.09 and 11,227,841.93

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Solution

The fourth proportional to 39,983,948.60, 59,978,166.09 and 11,227,841.93 is: 16,842,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983,948.60 : 59,978,166.09 = 11,227,841.93 : x
  2. Step 2: Convert to fraction form
    39,983,948.60/59,978,166.09 = 11,227,841.93/x
  3. Step 3: Cross multiply
    39,983,948.60x = 59,978,166.09 × 11,227,841.93
  4. Step 4: Simplify right side
    39,983,948.60x = 673,425,368,217,647.12
  5. Step 5: Solve for x
    x = 673,425,368,217,647.12/39,983,948.60
  6. Step 6: Final answer
    x = 16,842,392.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.